COVID-19 Disinfection is graded at different sites according to different exposures.
1, You can use preventive disinfection in homes and public places where you have no direct contact with positive cases.
Novel coronavirus transmission is mainly transmitted by respiratory droplets and close contact. There is a possibility of aerosol transmission in cases of prolonged exposure in relatively closed environments, such as public elevators, toilets, etc.
The object of preventive disinfection is mainly the surface of various environmental objects, air and hands.
2, The objects and place that the infected person touched may become the" foci."
There are two main categories of disinfection in foci:
Disinfection is carried out at any time when the patient (source of infection) is still in the foci;
Terminal disinfection is a one-time disinfection after the patient (source of infection) has left, to ensure that the site after terminal disinfection and various items in it no longer have the presence of pathogens.
3, Outdoor roads, outdoor air and open area environment do not need to be disinfected.
At present, there is a lack of relevant research on the crowded outdoor crowd, especially the situation of queuing for nucleic acid, so it is temporarily impossible to determine whether it is needed or not.